Case study·Hard exam skill (4/5)·No calculatorNeeds mentor review
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
A school marks a straight no-parking boundary by A vehicle is at and a signboard is at
Total: 4 marks
(a) Find the distance of from the boundary. (2 marks)
(b) Check whether lies on the boundary. (1 mark)
(c) If the minimum allowed distance is unit, decide whether is allowed. (1 mark)
Something wrong with this item?